Finding the Fourth Proportional to 6,136,497.28, 8,466,489.20 and 3,557,663.20
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Solution
The fourth proportional to 6,136,497.28, 8,466,489.20 and 3,557,663.20 is: 4,908,486.99
Step by Step Solution
- Step 1: Write the proportion equation
6,136,497.28 : 8,466,489.20 = 3,557,663.20 : x - Step 2: Convert to fraction form
6,136,497.28/8,466,489.20 = 3,557,663.20/x - Step 3: Cross multiply
6,136,497.28x = 8,466,489.20 × 3,557,663.20 - Step 4: Simplify right side
6,136,497.28x = 30,120,917,060,037.44 - Step 5: Solve for x
x = 30,120,917,060,037.44/6,136,497.28 - Step 6: Final answer
x = 4,908,486.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.